Perhaps you should try some spelling variations:
nganh khong » nganh cong, nhanh chong, nganh nong
nuoc sach » nguoi sach, hoc sach, cuoc cach
cuu thong » cuu thuong, cuu tong, cuu chong
thong cac » trong cac, phong cach, thong cua
cac nganh » hoc nganh
khong hoc » khung hoc, thong hoc, khong thuoc
nhan dan » phan dau, gian dan, nhan tai
hoi tap » hoi dap, hoc tap, hai tap
hoi tai » hoc tai, hoi trac
va nhan » van nhan, ca nhan, va phan
hoc xa » hoc ma

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: nuoc sach ((hoi tap) or (hoi tai)), nghien cuu thong cac nganh khong hoc xa hoi va nhan dan~.
• If you are trying to use Boolean operators, they must be ALL CAPS: nuoc sach ((hoi tap) OR (hoi tai)), nghien cuu thong cac nganh khong hoc xa hoi va nhan dan.
• Adding a wildcard symbol may retrieve word variants: nuoc sach ((hoi tap) or (hoi tai)), nghien cuu thong cac nganh khong hoc xa hoi va nhan dan*.